Advertisements
Advertisements
प्रश्न
Balance the following equation by the ion electron method.
\[\ce{C2O^2-_4 + Cr2O^2-_7 -> Cr^3+ + CO2}\] (in acid medium)
Advertisements
उत्तर
\[\ce{C^{+3}_2O^2-_4 -> C^{+4}O2}\] ......(1)
\[\ce{Cr^{+6}_2O^2-_7 -> Cr^3+}\] .......(2)
\[\ce{C2O^2-_4 -> 2CO2 + 2e^-}\] .....(3)
\[\ce{Cr2O^2-_7 + 14H^+ -> 2Cr^3+ + 7H2O}\] ......(4)
\[\ce{3C2O^2-_4 -> 6CO2 + 6e^-}\] ........(5) [Eq. (3) × 3]
\[\ce{Cr2O^2-_7 + 14H^+ + 6e^- -> 2Cr^3+ + 7H2O}\] .........(4)
\[\ce{Cr2O^2-_7 + 3C2O^2-_4 + 14H^+ -> 2Cr^3+ + 6CO2 + 7H2O}\]
APPEARS IN
संबंधित प्रश्न
What do you understand by the term oxidation number?
Distinguish between oxidation and reduction.
Balance the following equation by the oxidation number method.
\[\ce{K2Cr2O7 + Kl + H2SO4 -> K2SO4 + Cr2(SO4)3 + I2 + H2O}\]
Balance the following equation by the oxidation number method.
\[\ce{KMnO4 + H2C2O4 + H2SO4 -> K2SO4 + MnSO4 + CO2 + H2O}\]
Balance the following equation by the ion electron method.
\[\ce{KMnO4 + SnCl2 + HCl -> MnCl2 + SnCl4 + H2O + KCl}\]
Balance the following equation by the ion electron method.
\[\ce{Na2S2O3 + I2 -> Na2S4O6 + NaI}\]
Balance the following equation by the ion electron method.
\[\ce{Zn + NO^-_3 ->Zn^2+ + NO}\] (in acid medium)
Reducing agent is a species that ____________.
What is the formula of hydrolith?
Which of the following represents a redox reaction?
